2505550252780 has 48 divisors (see below), whose sum is σ = 5336204844096. Its totient is φ = 988022568960.

The previous prime is 2505550252771. The next prime is 2505550252781. The reversal of 2505550252780 is 872520555052.

It is a self number, because there is not a number n which added to its sum of digits gives 2505550252780.

It is not an unprimeable number, because it can be changed into a prime (2505550252781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18815392 + ... + 18948088.

It is an arithmetic number, because the mean of its divisors is an integer number (111170934252).

Almost surely, 2^{2505550252780} is an apocalyptic number.

2505550252780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2505550252780 is an abundant number, since it is smaller than the sum of its proper divisors (2830654591316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2505550252780 is a wasteful number, since it uses less digits than its factorization.

2505550252780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146074 (or 146072 counting only the distinct ones).

The product of its (nonzero) digits is 1400000, while the sum is 46.

The spelling of 2505550252780 in words is "two trillion, five hundred five billion, five hundred fifty million, two hundred fifty-two thousand, seven hundred eighty".